ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-6 1 2 3 4 5 6 7 8 9 10 11 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL Model & Year Displacement Finish Part # Twin Cam models 2007/2017 96” to 106” Silver 60399 Black 60394 Twin Cam models 1999/2006 88” to 97” Silver 60301 Black 60302 Big Bore Kits S&S TWIN CAM BIG BORE KITS • Largest bore that we feel can safely be used in a cylinder with a stock spigot O.D. • Bolt-on 9 to 10 cubic inches - cylinders do not require crankcase machining to install. • Increased fin area for better heat dissipation. • F orged coated pistons are compatible with stock or S&S Super Stock® 79cc & 89cc heads. • Valve pocket recessed in S&S pistons is enlarged for oversize valves and higher lift cams. • Silver or wrinkle black powder coat cylinder finish color matches stock Harley-Davidson® finish. • 107” to 124” Big Bore kit. • 114” to 128” Big Bore kit. • 117” CVOTM to 128” Big Bore kit. • Forged pistons with rings, pins & clips. • 11:1 compression ratio with stock heads. • Wrinkle black or black granite finish. • Highlighted fins. • Bolt-on kit - No machining required. • Includes gaskets. • Made in the USA. Features • Piston set with rings. • Top end gasket kit. • S&S cylinders. • Installation instructions. Kit Contains * Black Granite paint is a direct match to most 117” M8 CVO models 60302 Black 60399 Silver Go From 96” to 106” For 2007/2012 Big Twins Go From 88” to 97” For 1999/2006 Big Twins MILWAUKEE-EIGHT® BIG BORE KITS Model & Year Stroke C.I. Finish Part # Big Twin Touring 2017/Later, 4 3/8” 124” Black with Highlighted 60395 Softail 2018/Later 107c.i. Milwaukee-Eight® Fins Big Twin Touring 2017/Later, 4 1/2” 128” Black with Highlighted 60396 Softail 2018/Later 114c.i. Milwaukee-Eight® Fins Big Twin Touring 2017/Later, Softail 2018/Later 4 1/2” 128” Black Granite 60397* 114c.i. M-8 & CVO Models 117c.i. M-8 with Highlighted Fins 4.25” Bore Not legal for sale or use in California Not legal for sale or use in California | Discontinued, no longer in stock |
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